Updated some more comments

PS4BT.h

@@ -29,7 +29,9 @@ class PS4BT : public BTHID, public PS4Parser {
 public:
         /**
          * Constructor for the PS4BT class.
-         * @param  p   Pointer to the BTD class instance.
+         * @param  p     Pointer to the BTD class instance.
+         * @param  pair  Set this to true in order to pair with the device. If the argument is omitted then it will not pair with it. One can use ::PAIR to set it to true.
+         * @param  pin   Write the pin to BTD#btdPin. If argument is omitted, then "0000" will be used.
          */
         PS4BT(BTD *p, bool pair = false, const char *pin = "0000") :
         BTHID(p, pair, pin) {

PS4Parser.h

@@ -146,7 +146,7 @@ public:
         /** @name PS4 Controller functions */
         /**
          * Used to get the analog value from button presses.
-         * @param  a The ::ButtonEnum to read.
+         * @param  b The ::ButtonEnum to read.
          * The supported buttons are:
          * ::UP, ::RIGHT, ::DOWN, ::LEFT, ::L1, ::L2, ::R1, ::R2,
          * ::TRIANGLE, ::CIRCLE, ::CROSS, ::SQUARE, and ::T.

Wii.h

@@ -280,7 +280,7 @@ public:
 
 #ifdef WIICAMERA
         /** @name Wiimote IR camera functions
-         * You will have to set ENABLE_WII_IR_CAMERA in settings.h to 1 in order use the IR camera.
+         * You will have to set ::ENABLE_WII_IR_CAMERA in settings.h to 1 in order use the IR camera.
          */
         /** Initialises the camera as per the steps from: http://wiibrew.org/wiki/Wiimote#IR_Camera */
         void IRinitialize();